Edifier Elevates TWS Audio Performance with Knowles Balanced Armature Drivers and MEMS Microphones

October 20 2023, 01:10
Knowles Corporation has joined forces with consumer audio brand Edifier in the creation of the NeoBuds Pro 2 True Wireless Stereo (TWS) earbuds. The new flagship TWS earbud design from Edifier raises the bar for premium wireless audio with the help of Knowles RAN balanced armature (BA) receivers and SiSonic MEMS microphone technology. The new flagship earbuds are the first to debut Edifier's proprietary Wide-Band Multi-Channel ANC. 
 

Updating the original NeoBuds Pro launched in 2022, the Edifier NeoBuds Pro 2 earbuds stream music over Bluetooth V5.3 in high-resolution at up to 24-bit/192kHz, using the latest LHDC 5.0 HD codec promoted by Savitech and the HWA Alliance. This codec allows for Adaptive Scaling of the bitrate between 128kbps~1000kbps, to adjust to real operating conditions. The flagship model also provides other Bluetooth listening options with support for LDAC and AAC. This choice of codecs also allows for a low-latency gaming mode.

And responding to the increasing market awareness for spatial audio reproduction, Edifier added support for Savitech's latest LHDC X Spatial Audio Solution, with support for personal HRTFs and head tracking. With built-in gyroscope and accelerometer, the NeoBuds Pro 2 can track the user's head movements and change the sound stage rendering in real-time. Furthermore, a visualized head mirroring is shown in the Edifier Connect App, providing users with a visual reference of the experience.
 

The distinctive, JAS High-Res Premium Audio-certified earbuds promise realistic sound details and high performance across the whole extend frequency range, made possible by combining the Knowles RAN BA receiver with multi-diaphragm dynamic drivers and high-res audio coding. The BA transmits crisp treble frequencies up to 40kHz, while the 10mm dynamic driver delivers rich yet precise bass and mid-range. Digital signal processing (DSP) with active crossover controls each driver, enabling them to reproduce frequencies with high precision. 

The new NeoBuds Pro 2 earbuds are also the first to incorporate Edifier's Wide-Band Multi-Channel Active Noise Cancelling (ANC), employing wideband artificial intelligence (AI) noise reduction algorithms and configuring four microphones per earpiece. The ANC design adds an independent feed-forward channel that applies the noise reduction ability of the Knowles BA to hybrid ANC channels. 

The 4+4 microphone design also features Knowles' latest Analog MEMS microphone Raptor (SPK01A0LR5H-1), which offers 72dB signal-to-noise ratio (SNR) and a low-frequency roll-off (LFRO) of 17Hz for superior ANC performance and improved voice call quality. Working with the AI algorithm that filters ambient noise, this Wide-Band Multi-Channel ANC implementation supports noise cancellation with a depth of -50dB and 5kHz bandwidth, as well as high-fidelity transparency mode.

The Knowles Preferred Listening Response Curve demonstrates that listeners across age ranges and hearing abilities prefer expanded treble ranges. To meet listener preferences across markets, personalized hearing capabilities for TWS are crucial. Acknowledging the significance of customized audio experiences, especially in the TWS market, the NeoBuds Pro 2 earbuds introduce advanced sound personalization features with Edifier's AI Multimodal Dual Adaptive System. Using the intuitive mobile app, users are able to analyze their listening preferences and optimize a customized auditory journey.
 

"Edifier's mission is to always provide consumers with access to innovative, high-end audio technology at an affordable price. We are incredibly excited to embark on this journey with Knowles Corporation, a company synonymous with cutting-edge acoustic technology and quality," says Stanley Wen, chief technology officer at Edifier. "Partnering with Knowles was a decision rooted in our shared passion for pushing audio boundaries and our commitment to delivering unparalleled listening experiences to our users. NeoBuds Pro 2, with the integration of Knowles BA drivers and MEMS microphones and our proprietary Wide-Band Multi-Channel ANC design, represents a milestone in TWS technology, and we are eager to see how it will redefine expectations and set new benchmarks in the industry."

"Edifier is well-respected by consumers and audio experts alike for its commitment to sound innovation and shares our mission to provide high-quality, versatile and exceptional audio experiences for consumers," adds Jon Kiachian, President of MedTech and Specialty Audio at Knowles Corporation. "Collaborating with Edifier on the NeoBuds Pro 2 exemplifies the high standards Knowles sets forth for high-performance audio design, and we look forward to continuing to innovate with them."

The NeoBuds Pro 2 earbuds offer 22 hours of battery life with USB-C fast charging and allow users to enjoy 4 hours of continuous use with ANC. The package includes 7 pairs of ear tips to match all sizes of ear canals, improve effectiveness of the noise cancelation and improve comfort.
www.edifier.com
www.knowles.com
 
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About Joao Martins
Since 2013, Joao Martins leads audioXpress as editor-in-chief of the US-based magazine and website, the leading audio electronics, audio product development and design publication, working also as international editor for Voice Coil, the leading periodical for... Read more

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